Queensland Consolidated Regulations

PUBLIC HEALTH REGULATION 2018 - REG 59

59 Quality standard for class A, B, C or D recycled water

(1) Recycled water that is to be supplied as class A, B, C or D recycled water must be tested for the presence of Escherichia coli at the frequency required under the management plan for the water.

(2) If the quality of the water has been tested for Escherichia coli for at least 1 year under the management plan for the water—

(a) each month, the samples of water, other than resamples, taken to test for Escherichia coli during the preceding 1-year period must be reviewed; and

(b) at least 95% of the samples reviewed must contain less than the following amounts of Escherichia coli —

(i) for class A recycled water—10 cfu/100mL or MPN/100mL;

(ii) for class B recycled water—100 cfu/100mL or MPN/100mL;

(iii) for class C recycled water—1,000 cfu/100mL or MPN/100mL;

(iv) for class D recycled water—10,000 cfu/100mL or MPN/100mL.